Printer error E1 but paper size is not mix match

[Risetta24]

HP 2700 series 

keep getting error E1 but paper is the same size I’ve been using so I feel because this printer is out of warranty now I’m having problems like they do when they want you to replace it 

[A_Gayathri]

Hi @Risetta24,

Welcome to The HP Support Community.  

Thank you for posting your query, I will be glad to help you.

I understand you are getting the E1 error on the HP DeskJet 2722 (and other HP 2700 series printers) usually indicates a paper size mismatch. However, since you've confirmed the paper size hasn't changed, let's troubleshoot to resolve the issue:

Steps to Resolve the E1 Error:

Check Paper Size in Printer Settings:

• Ensure the paper size settings on your computer match the paper loaded in the printer.
• For Windows:
  1. Open the document you're printing.
  2. Click File > Print > Printer Properties or Preferences.
  3. Set the paper size (e.g., Letter 8.5 x 11 inches or A4).
• For Mac:
  1. Open the document and select File > Print.
  2. In the Paper Size dropdown, confirm the correct paper size is selected.

Align the Paper Properly:

• Remove the paper from the input tray.
• Fan the stack of paper to prevent sticking.
• Adjust the paper guides snugly against the stack without bending the paper.

Reset the Printer:

• Turn off the printer and unplug it from the power source.
• Wait 2-3 minutes, then reconnect and power it back on.
• Try printing again.

Check Firmware:

• Outdated firmware can cause printing errors. Update your printer's firmware using the HP Smart app:
  1. Open the HP Smart app on your computer or mobile device.
  2. Select your printer and check for firmware updates.

Clear the Print Queue:

• Cancel all print jobs in your computer's print queue.
• Restart your printer and attempt to print a simple document.

Clean the Paper Sensors:

• Dust or debris can block the sensors that detect paper size. Use a dry, lint-free cloth to clean:
  • The rollers in the paper input tray.
  • The inside of the printer where the paper passes through.

If the Problem Persists:

Even though your printer is out of warranty, you can:

Check for Driver Updates:

• Download the latest driver from the HP Support website.

Hard Reset:

• Unplug the printer, hold the power button for 30 seconds, and then reconnect it.

Manual Firmware Reset:

• Hold the Cancel and Resume buttons for 15 seconds while powering it back on to reset settings.

Refer to this document: HP DeskJet 2722 All-in-One Printer User manual 

HP DeskJet 2700, 4100, 4800 printers - Blinking lights and error codes
 

I hope this helps. 

Take care and have a good day.

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